Cassini’s view of Titan on July 4, 2015 七月 7, 2015 由 观察空间 分享此: Cassini captured this image of Titan on July 4, 2015 using its IRP0 and CB3 filters. That bright speck on the upper left might be Pandora, 土星的卫星之一. 信用: NASA / JPL / SSI / @ ObservingSpace Flickr的链接: Titan 分享此: